Like Lennie, George can be defined by a few distinct characteristics. He is short-tempered but a loving and devoted friend, whose frequent protests against life with Lennie never weaken his commitment to protecting his friend. George’s first words, a stern warning to Lennie not to drink so much lest he get sick, set the tone of their relationship. George may be terse and impatient at times, but he never strays from his primary purpose of protecting Lennie.
Unlike Lennie, however, George does change as the story progresses. The reader learns that he is capable of change and growth during his conversation with Slim, during which he admits that he once abused Lennie for his own amusement. From this incident George learned the moral lesson that it is wrong to take advantage of the weak. Of Mice and Men follows him toward a difficult realization that the world is designed to prey on the weak. At the start of the novella, George is something of an idealist. Despite his hardened, sometimes gruff exterior, he believes in the story of their future farm that he tells and retells to Lennie. He longs for the day when he can enjoy the freedom to leave work and see a baseball game. More important than a ball game, however, is the thought of living in safety and comfort with Lennie, free from people like Curley and Curley’s wife, who seem to exist only to cause trouble for them. Lennie is largely responsible for George’s belief in this safe haven, but eventually the predatory nature of the world asserts itself and George can no longer maintain that belief. By shooting Lennie, George spares his friend the merciless death that would be delivered by Curley’s lynch mob, but he also puts to rest his own dream of a perfect, fraternal world.